LTC3859EUHF#TRPBF - Analog Devices Inc.

Manufacturer Part Number

LTC3859EUHF#TRPBF

Manufacturer

Analog Devices

Introduction

The LTC3859EUHF#TRPBF is a versatile power management integrated circuit (PMIC), specializing in DC DC switching control. Designed for a wide range of applications, this device coordinates efficient power management through its capability to perform step-down, step-up/step-down functions.

Product Features and Performance

Flexible step-down, step-up, and SEPIC topology support.

Capable of driving three outputs with two output phases.

Wide supply voltage range from 4.5V to 38V.

Adjustable switching frequency from 115kHz to 835kHz, and a special range of 350kHz to 535kHz.

Supports up to 99% and 100% duty cycle for different modes.

Incorporates synchronous rectification for better efficiency.

Features like enable, frequency control, power good signal, soft start, and tracking enhance performance and safety.

Operates effectively in a wide temperature range from -40°C to 125°C.

Product Advantages

High flexibility in power management for a variety of circuit designs.

Enhanced efficiency through synchronous rectification.

Broad input voltage range caters to a wide array of applications.

Easy integration with systems due to its comprehensive control features.

Key Technical Parameters

Voltage Supply (Vcc/Vdd): 4.5V ~ 38V

Frequency Switching: 115kHz ~ 835kHz, specific range 350kHz ~ 535kHz

Duty Cycle (Max): 99%, 100%

Operating Temperature: -40°C to 125°C

Quality and Safety Features

Designed to meet stringent quality and safety standards, ensuring reliable performance under a wide range of operational conditions.

Compatibility

Mounting Type: Surface Mount

Package / Case: 38-WFQFN Exposed Pad

Supplier Device Package: 38-QFN (5x7)

Application Areas

Suited for a broad array of applications including but not limited to power supply design, telecommunications, automotive systems, and portable electronics.

Product Lifecycle

Active status, with no indication of nearing discontinuation. The product remains broadly available, with ongoing support for replacements or upgrades.

Several Key Reasons to Choose This Product

Versatility in application through support for multiple topologies.

Efficient power management with synchronous rectification.

Broad operational voltage and temperature range.

Features advanced control options for optimal integration.

Active product lifecycle status ensures ongoing support and availability.